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  • 43 fish die in Mud Mountain Dam fish passage facility

    Two physical barrier mishaps occurred at the new Mud Mountain Dam fish passage facility June 22 and June 26, which left 42 Chinook salmon and one bull trout dead.

  • Late spring storms bring high flows, potential debris on Lake Pend Oreille

    Heavy precipitation from a series of late spring storms combined with above average and late-melting snowpack runoff have significantly increased inflows into Lake Pend Oreille and increased flood risk downstream of Albeni Falls Dam. The Pend Oreille River has exceeded flood flow and is likely to stay above that threshold for the next week.

  • Tacoma Harbor deepening project ready for Congressional consideration

    The Tacoma Harbor Navigation Improvement Project reached a major milestone this week with U.S. Army Corps of Engineers Lt. Gen. Scott A. Spellmon’s signing of the project’s Chief of Engineers’ Report May 26. This sets the stage for Congress to consider action to authorize and fund the project to deepen the Blair Waterway enabling the Port of Tacoma to handle new, larger container ships.

  • Lake Washington Annual Summer Refill Underway

    U.S. Army Corps of Engineers officials began Lake Washington’s annual summer refill operations Feb.

  • Sturgeon flow augmentation begins May 16 at Libby Dam

    Water managers at the U.S. Army Corps of Engineers, along with federal, tribal, and state fishery biologists, have determined that spring run-off conditions warrant the commencement of required flow augmentation at Libby Dam, Montana, for endangered Kootenai River white sturgeon downstream in Idaho. The flow augmentation operation includes increasing outflows to provide river conditions that may increase sturgeon spawning success in the lower Kootenai River.

  • Corps of Engineers to begin Grays Harbor maintenance dredging April 12

    The U.S. Army Corps of Engineers plans to conduct Grays Harbor maintenance dredging in the Outer

  • Chittenden Locks small chamber closing for maintenance

    The Hiram M. Chittenden Locks small chamber will close to marine traffic 5:30 a.m. February 28 through 5 p.m. March 14, 2022.

  • Army Corps of Engineers announces $68.8 million in infrastructure investment and disaster relief funding for Washington projects

    The U.S. Army Corps of Engineers announced Wednesday $68.823 million from the Infrastructure Investment and Jobs Act and the 2022 Disaster Relief Supplemental Appropriations Act will aid Washington state projects.

  • Army Corps of Engineers assisting with local flood fight efforts

    The Seattle District, U.S. Army Corps of Engineers (USACE) emergency operations center is activated to respond to the atmospheric river and heavy rain currently impacting the region. Several rivers are expected to rise into moderate flood stage and record flood stage with the most significant impacts predicted to occur in the Chehalis River Basin, according to the National Weather Service.

  • Seattle District begins to wrap-up flood operations

    After multiple atmospheric river weather events through the last half of November, the U.S. Army Corps of Engineers’ flood fighting activity is winding down. During the events, USACE deployed flood teams supplying communities with technical assistance. They also contributed 167,500 sandbags, 1,320 Hesco barriers and 750 super sacks to help needed flood areas.